Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 88

    SEO

    Google-friendlier than
    71% of websites

althen.de

Sensorik, Messtechnik & Automatisierung | Althen

Page Load Speed

4.3 sec in total

First Response

917 ms

Resources Loaded

3.1 sec

Page Rendered

298 ms

althen.de screenshot

About Website

Click here to check amazing Althen content for Germany. Otherwise, check out these important facts you probably never knew about althen.de

Als weltweiter Spezialist für Sensorik, Messtechnik und Automatisierung bietet Althen die passenden Lösungen für Ihre Messaufgaben. Lassen Sie sich kostenlos beraten!

Visit althen.de

Key Findings

We analyzed Althen.de page load time and found that the first response time was 917 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

althen.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.451

20/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

www.althen.de

917 ms

655 ms

reset.css

141 ms

style.css

244 ms

jquery.jgrowl.css

237 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 84% of them (36 requests) were addressed to the original Althen.de, 5% (2 requests) were made to Fast.fonts.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (917 ms) belongs to the original domain Althen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.3 kB (56%)

Content Size

519.3 kB

After Optimization

226.0 kB

In fact, the total size of Althen.de main page is 519.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 220.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 42.0 kB

  • Original 49.8 kB
  • After minification 44.9 kB
  • After compression 7.9 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 42.0 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 18.7 kB

  • Original 145.1 kB
  • After minification 126.4 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Althen needs image optimization as it can save up to 18.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 142.8 kB

  • Original 220.0 kB
  • After minification 204.8 kB
  • After compression 77.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 142.8 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 89.8 kB

  • Original 104.3 kB
  • After minification 90.5 kB
  • After compression 14.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Althen.de needs all CSS files to be minified and compressed as it can save up to 89.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (51%)

Requests Now

39

After Optimization

19

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Althen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

althen.de accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

althen.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

althen.de SEO score

88

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Althen.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Althen.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Althen. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: